The Preparation of Certain Cryptophenols

LH Farinholt, WC Harden, D Twiss

Index: Farinholt; Harden; Twiss Journal of the American Chemical Society, 1933 , vol. 55, p. 3383,3386

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Citation Number: 3

Abstract

Summary Vitamin concentrate prepared from brewers' yeast by adsorption on fuller's earth followed by extraction, benzoylation and acetone precipitation its previously described, when dissolved in water and treated with an alcoholic solution of picrolonic acid, yields initial precipitates which are relatively inactive. The filtrate from these when evaporated yields a semi-crystalline deposit rich in the antineuritic vitamin. This picrolonate deposit ...